Bumblebee BT-XIBK - Digital Signal Processing (DSP) reduce noise, wind and echo - Bluetooth specification V2.1+EDR class 2Bluetooth Headset With [Retail Packaging] Using For HTC,iPhone,Nokia,Samsung,Motorola,LG, Sony Ericsson Wireless Phone. PC/Mac Convenient on-off slide switch saves you battery between calls Digital Signal Processing (DSP) reduces noise, wind and echo Easy pair provides fast and easy set-up with Bluetooth? mobile phones Up to 7 hours of talk time and 150 hours of standby time Package also includes wall charger and USB cable and we offer a 1 year limited warranty on this product